René's URL Explorer Experiment


Title: Fix narrowing for match case with variadic tuples by hauntsaninja · Pull Request #21192 · python/mypy · GitHub

Open Graph Title: Fix narrowing for match case with variadic tuples by hauntsaninja · Pull Request #21192 · python/mypy

X Title: Fix narrowing for match case with variadic tuples by hauntsaninja · Pull Request #21192 · python/mypy

Description: Optional static typing for Python. Contribute to python/mypy development by creating an account on GitHub.

Open Graph Description: Fixes #21189

X Description: Fixes #21189

Opengraph URL: https://github.com/python/mypy/pull/21192

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:d687e2cf-3453-4a7e-13fa-417bd00433b2
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id9BC4:2B2E09:13040E7:1B4F8FA:6A58EB2C
html-safe-nonce567d81cff538da4c52560ad0aba69b5c110efef2fbd39d4d08da135d244df4cc
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5QkM0OjJCMkUwOToxMzA0MEU3OjFCNEY4RkE6NkE1OEVCMkMiLCJ2aXNpdG9yX2lkIjoiMjMzMDQzODIwNTY0Mjk1OTY2MCIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac845fd1d79981124c8af802410ec7b1131542100d2d3fc786212a47c2c0312522
hovercard-subject-tagpull_request:3507455855
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/mypy/21192/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/92e8ce9b750443c1d7833c039369dbc2e7273733f34ab662f1fcc57137ae020b/python/mypy/pull/21192
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/92e8ce9b750443c1d7833c039369dbc2e7273733f34ab662f1fcc57137ae020b/python/mypy/pull/21192
og:image:altFixes #21189
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamehauntsaninja
hostnamegithub.com
expected-hostnamegithub.com
None5f2a0c7865178af3d91dd9f13b0cdfc3c73a2529c873d2780bb4c01271a57ec6
turbo-cache-controlno-cache
go-importgithub.com/python/mypy git https://github.com/python/mypy.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id7053637
octolytics-dimension-repository_nwopython/mypy
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id7053637
octolytics-dimension-repository_network_root_nwopython/mypy
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release8aae7b8d6caacacf5c66eaeb2702d8dc88d85b4a
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/mypy/pull/21192#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fmypy%2Fpull%2F21192
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fmypy%2Fpull%2F21192
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fmypy
Reloadhttps://github.com/python/mypy/pull/21192
Reloadhttps://github.com/python/mypy/pull/21192
Reloadhttps://github.com/python/mypy/pull/21192
Please reload this pagehttps://github.com/python/mypy/pull/21192
python https://github.com/python
mypyhttps://github.com/python/mypy
Please reload this pagehttps://github.com/python/mypy/pull/21192
Notifications https://github.com/login?return_to=%2Fpython%2Fmypy
Fork 3.2k https://github.com/login?return_to=%2Fpython%2Fmypy
Star 20.5k https://github.com/login?return_to=%2Fpython%2Fmypy
Code https://github.com/python/mypy
Issues 2.7k https://github.com/python/mypy/issues
Pull requests 466 https://github.com/python/mypy/pulls
Actions https://github.com/python/mypy/actions
Projects https://github.com/python/mypy/projects
Wiki https://github.com/python/mypy/wiki
Security and quality 0 https://github.com/python/mypy/security
Insights https://github.com/python/mypy/pulse
Code https://github.com/python/mypy
Issues https://github.com/python/mypy/issues
Pull requests https://github.com/python/mypy/pulls
Actions https://github.com/python/mypy/actions
Projects https://github.com/python/mypy/projects
Wiki https://github.com/python/mypy/wiki
Security and quality https://github.com/python/mypy/security
Insights https://github.com/python/mypy/pulse
hauntsaninjahttps://github.com/hauntsaninja
python:masterhttps://github.com/python/mypy/tree/master
hauntsaninja:tuplefixhttps://github.com/hauntsaninja/mypy/tree/tuplefix
Conversationhttps://github.com/python/mypy/pull/21192
Commits2 (2)https://github.com/python/mypy/pull/21192/commits
Checkshttps://github.com/python/mypy/pull/21192/checks
Files changedhttps://github.com/python/mypy/pull/21192/files
Fix narrowing for match case with variadic tupleshttps://github.com/python/mypy/pull/21192#top
hauntsaninjahttps://github.com/hauntsaninja
python:masterhttps://github.com/python/mypy/tree/master
hauntsaninja:tuplefixhttps://github.com/hauntsaninja/mypy/tree/tuplefix
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
Apr 9, 2026https://github.com/python/mypy/pull/21192#issue-4230624629
#21189https://github.com/python/mypy/issues/21189
Please reload this pagehttps://github.com/python/mypy/pull/21192
https://github.com/hauntsaninja
Fix narrowing for match case with variadic tupleshttps://github.com/python/mypy/pull/21192/commits/50ae8524466e2e03983b68ef51797632f9b9a440
50ae852https://github.com/python/mypy/pull/21192/commits/50ae8524466e2e03983b68ef51797632f9b9a440
python#21189https://github.com/python/mypy/issues/21189
[1.20 regression] Mypy incorrectly marks a match case as unreachable #21189 https://github.com/python/mypy/issues/21189
1.20 and 2.0 Release Planning #20726 https://github.com/python/mypy/issues/20726
https://github.com/apps/github-actions
Sign in to viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fmypy%2Fpull%2F21192
https://github.com/Bahtya
Bahtyahttps://github.com/Bahtya
Apr 9, 2026 https://github.com/python/mypy/pull/21192#ref-pullrequest-4226929213
fix: prevent false unreachable error when comparing generic callables #21188 https://github.com/python/mypy/pull/21188
https://github.com/hauntsaninja
Merge branch 'master' into tuplefixhttps://github.com/python/mypy/pull/21192/commits/2fc1853b9efaacc9fd83ff034d841b609a885e11
2fc1853https://github.com/python/mypy/pull/21192/commits/2fc1853b9efaacc9fd83ff034d841b609a885e11
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
Apr 9, 2026https://github.com/python/mypy/pull/21192#issuecomment-4216141735
mypy_primerhttps://github.com/hauntsaninja/mypy_primer
Please reload this pagehttps://github.com/python/mypy/pull/21192
https://github.com/JukkaL
JukkaLhttps://github.com/JukkaL
Apr 9, 2026 https://github.com/python/mypy/pull/21192#pullrequestreview-4084474730
View reviewed changes https://github.com/python/mypy/pull/21192/files/2fc1853b9efaacc9fd83ff034d841b609a885e11
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
f394946https://github.com/python/mypy/commit/f39494647808588b2be3d76eea00620d813c472c
Apr 9, 2026https://github.com/python/mypy/pull/21192#event-24348031601
Please reload this pagehttps://github.com/python/mypy/pull/21192
https://github.com/hauntsaninja
hauntsaninjahttps://github.com/hauntsaninja
April 9, 2026 18:56https://github.com/python/mypy/pull/21192#event-24348032531
hauntsaninjahttps://github.com/hauntsaninja
Apr 12, 2026 https://github.com/python/mypy/pull/21192#ref-commit-a2e8ee1
https://github.com/hauntsaninja
Fix narrowing for match case with variadic tuples (https://github.com/hauntsaninja/mypy/commit/a2e8ee1afd5bbda26ad301496685295b1a7997a3
python#21192https://github.com/python/mypy/pull/21192
)https://github.com/hauntsaninja/mypy/commit/a2e8ee1afd5bbda26ad301496685295b1a7997a3
a2e8ee1https://github.com/hauntsaninja/mypy/commit/a2e8ee1afd5bbda26ad301496685295b1a7997a3
python#21189https://github.com/python/mypy/issues/21189
nicopausshttps://github.com/nicopauss
Jun 4, 2026 https://github.com/python/mypy/pull/21192#ref-commit-aa6c7f5
https://github.com/renovate-bot
chore(deps): update dependency mypy to v1.20.1 (r2026)https://github.com/Intersec/lib-common/commit/aa6c7f527eb61cf06d0b2dc89ceeb0625e56c829
aa6c7f5https://github.com/Intersec/lib-common/commit/aa6c7f527eb61cf06d0b2dc89ceeb0625e56c829
https://github.com/python/mypy/blob/HEAD/CHANGELOG.md#Mypy-1201https://github.com/python/mypy/blob/HEAD/CHANGELOG.md#Mypy-1201
python/mypy#21184https://github.com/python/mypy/pull/21184
python/mypy#21193https://github.com/python/mypy/pull/21193
python/mypy#21186https://github.com/python/mypy/pull/21186
python/mypy#21192https://github.com/python/mypy/pull/21192
python/mypy#21174https://github.com/python/mypy/pull/21174
python/mypy#21153https://github.com/python/mypy/pull/21153
python/mypy#21151https://github.com/python/mypy/pull/21151
python/mypy#21150https://github.com/python/mypy/pull/21150
python/mypy#21144https://github.com/python/mypy/pull/21144
python/mypy#21142https://github.com/python/mypy/pull/21142
python/mypy#21139https://github.com/python/mypy/pull/21139
python/mypy@v1.19.1...v1.20.0https://github.com/python/mypy/compare/v1.19.1...v1.20.0
https://github.co/hiddenchars
https://github.com/python/mypy/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fmypy%2Fpull%2F21192
https://github.com/JukkaL
JukkaL https://github.com/JukkaL
https://github.com/python/mypy/pull/21192/files/2fc1853b9efaacc9fd83ff034d841b609a885e11
[1.20 regression] Mypy incorrectly marks a match case as unreachable https://github.com/python/mypy/issues/21189
Please reload this pagehttps://github.com/python/mypy/pull/21192
https://github.com/hauntsaninja
https://github.com/JukkaL
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.